<?php
/**
 * Created by PhpStorm.
 * User: PHP
 * Date: 2018/1/19
 * Time: 14:10
 */
namespace app\index\model;

use think\exception\PDOException;
use think\Model;

class MemberGroup extends Model
{
    public function getItem($id)
    {
        return $this->where(['id' => $id])->find();
    }
}